the outside to the inside. This progressive narrowing of the tunnel vision usually precedes night blindness and the loss of visual acuity. Other symptoms include an increased sensitivity to glare, as well [...] with contrast and colour vision. At an advanced stage, retinitis pigmentosa can eventually lead to blindness. Vision specialists
outlay for this is 29.99 euros. This app is useful not only for the blind and visually impaired but also for people with colour blindness or red-green vision deficiency: With ColorSay the surroundings are [...] Internet with the smartphone and reading messages or writing emails – all are no problem whatsoever for blind or visually impaired people when they have the right apps and operating tools. Various functions and [...] black background. Good speech input and output Often the aforementioned aids are not adequate for blind or severely visually impaired people. They are particularly reliant on their smartphone having good
Easily adjustable pupillary distance of 54 to 74 mmSupplied with 2 fixed monocular mounts, rubber blind cap, attachable rubber temple ends and zippered case.The monocular mounts are set at infinity in relation
Easily adjustable pupillary distance of 54 to 74 mmSupplied with 2 fixed monocular mounts, rubber blind cap, attachable rubber temple ends and zippered case.The monocular mounts are set at infinity in relation
damaged and in the advanced stage of the disease this can lead to visual impairment and even complete blindness. In the case of simple glaucoma, central vision can remain for a long time. Vision specialists
area on the display is moved by the touch of a buttonOptional orientation markers (reading line or “blind”)Additional tactile positioning and orientation markers on the housingViewing modes in true colour
area on the display is moved by the touch of a buttonOptional orientation markers (reading line or “blind”)Additional tactile positioning and orientation markers on the housingViewing modes in true colour
eggs. If the body is not supplied with sufficient vitamin A, this can result in dry eyes and night blindness. Everyday burdens such as light, stress and various environmental factors give rise to free radicals